package com.marisfrolg.util;

import java.util.List;
import android.content.Context;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiManager.WifiLock;

public class WifiAdmin {
    //定义一个WifiManager对象
	private WifiManager mWifiManager;
	//定义一个WifiInfo对象
	private WifiInfo mWifiInfo;
	//扫描出的网络连接列表
	private List<ScanResult> mWifiList;
	//网络连接列表
	private List<WifiConfiguration> mWifiConfigurations;
	WifiLock mWifiLock;
	public WifiAdmin(Context context){
		//取得WifiManager对象
		mWifiManager=(WifiManager) context.getSystemService(Context.WIFI_SERVICE);
		//取得WifiInfo对象
		mWifiInfo=mWifiManager.getConnectionInfo();
	}
	//打开wifi
	public void openWifi(){
		if(!mWifiManager.isWifiEnabled()){
			mWifiManager.setWifiEnabled(true);
		}
	}
	//关闭wifi
	public void closeWifi(){
		if(!mWifiManager.isWifiEnabled()){
			mWifiManager.setWifiEnabled(false);
		}
	}
	 // 检查当前wifi状态  
    public int checkState() {  
        return mWifiManager.getWifiState();  
    }  
	//锁定wifiLock
	public void acquireWifiLock(){
		mWifiLock.acquire();
	}
	//解锁wifiLock
	public void releaseWifiLock(){
		//判断是否锁定
		if(mWifiLock.isHeld()){
			mWifiLock.acquire();
		}
	}
	//创建一个wifiLock
	public void createWifiLock(){
		mWifiLock=mWifiManager.createWifiLock("test");
	}
	//得到配置好的网络
	public List<WifiConfiguration> getConfiguration(){
		return mWifiConfigurations;
	}
	//指定配置好的网络进行连接
	public void connetionConfiguration(int index){
		if(index>mWifiConfigurations.size()){
			return ;
		}
		//连接配置好指定ID的网络
		mWifiManager.enableNetwork(mWifiConfigurations.get(index).networkId, true);
	}
	public void startScan(){
		mWifiManager.startScan();
		//得到扫描结果
		mWifiList=mWifiManager.getScanResults();
		//得到配置好的网络连接
		mWifiConfigurations=mWifiManager.getConfiguredNetworks();
	}
	//得到网络列表
	public List<ScanResult> getWifiList(){
		return mWifiList;
	}
	//查看扫描结果
	public StringBuffer lookUpScan(){
		StringBuffer sb=new StringBuffer();
		for(int i=0;i<mWifiList.size();i++){
			sb.append("Index_" + new Integer(i + 1).toString() + ":");
			 // 将ScanResult信息转换成一个字符串包  
            // 其中把包括：BSSID、SSID、capabilities、frequency、level  
			sb.append((mWifiList.get(i)).toString()).append("\n");
		}
		return sb;	
	}
	public String getMacAddress(){
		return (mWifiInfo==null)?"NULL":mWifiInfo.getMacAddress();
	}
	public String getBSSID(){
		return (mWifiInfo==null)?"NULL":mWifiInfo.getBSSID();
	}
	public int getIpAddress(){
		return (mWifiInfo==null)?0:mWifiInfo.getIpAddress();
	}
	//得到连接的ID
	public int getNetWordId(){
		return (mWifiInfo==null)?0:mWifiInfo.getNetworkId();
	}
	//得到wifiInfo的所有信息
	public String getWifiInfo(){
		return (mWifiInfo==null)?"NULL":mWifiInfo.toString();
	}
	//添加一个网络并连接
	public void addNetWork(WifiConfiguration configuration){
		int wcgId=mWifiManager.addNetwork(configuration);
		mWifiManager.enableNetwork(wcgId, true);
	}
	//断开指定ID的网络
	public void disConnectionWifi(int netId){
		mWifiManager.disableNetwork(netId);
		mWifiManager.disconnect();
	}
	public boolean reassociate(){
		return mWifiManager.reassociate();
	}
	public boolean reconnect(){
		return mWifiManager.reconnect();
	}
	public boolean disconnect(){
		return mWifiManager.disconnect();
	}
}
